Explain the ASHRAE refrigerant safety designation regarding refrigerants toxicity and flammability

What will be an ideal response?


A – lower toxicity - requires more than 400 parts per million to be hazardous B- higher toxicity – requires less than 400 parts per million to be hazardous

Trades & Technology

You might also like to view...

Describe the potential of tidal power, and explain why it is not likely to provide a large portion of our energy needs

What will be an ideal response?

Trades & Technology

The accompanying figure represents the ____ lettering and numerals.

A. digifont B. photofont C. microfont D. minifont

Trades & Technology

What lubricant should be used when mounting a tire?

A) SAE 10W-30 engine oil B) Grease C) Water-based soap D) Silicone spray

Trades & Technology

Transformers in which the primary and secondary voltages are 180 out of phase are known as _____

a. unlike-wound transformers b. like-wound transformers c. unequal transformers d. step-up transformers

Trades & Technology